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Hand Flashcards

(50 cards)

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1
Q

Flexor Pollicis Brevis Origin

A

Superficial Head: Flexor retinaculum and tubercle of trapezium
Deep head: Trapezoid and capitate

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2
Q

Flexor Pollicis Brevis Insertion

A

Radial side of base of proximal phalanx of thumb

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3
Q

Flexor Pollicis Brevis Action

A

Flexes proximal phalanx of thumb, flexes and medial rotates metacarpal

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4
Q

Flexor Pollicis Brevis Innervation

A

Superficial head: Medial nerve (C8, T1)

Deep head: Deep branch of ulnar nerve (C8,T1)

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5
Q

Flexor Pollicis Brevis Blood Supply

A

Superficial palmar branches of radial artery

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6
Q

Adductor Pollicis Origin

A

Oblique head: Capitate and bases of 2-3rd metacarpals

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7
Q

Adductor Pollicis Insertion

A

Ulnar side of base of proximal phalanx of thumb

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8
Q

Adductor Pollicis Action

A

Adducts thumb

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9
Q

Adductor Pollicis Innervation

A

Deep branch of ulnar nerve (C8, T1)

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10
Q

Adductor Pollicis Blood Supply

A

superficial palmar branches or radial

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11
Q

Abductor Pollicis Brevis Origin

A

Flexor retinaculum and tubercle of trapezium

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12
Q

Abductor Pollicis Brevis Insertion

A

Base of proximal phalanx of thumb, dorsal digital expansion of thumb

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13
Q

Abductor Pollicis Brevis Action

A

Abducts thumb

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14
Q

Abductor Pollicis Brevis Innervation

A

Median Nerve (C8,T1)

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15
Q

Abductor Pollicis Brevis Blood Supply

A

Superficial palmar branches of radial artery

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16
Q

Opponens Pollicis Origin

A

Flexor retinaculum and tubercles of scaphoid and trapezium

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17
Q

Opponens Pollicis Insertion

A

Lateral border of 1st metacarpal

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18
Q

Opponens Pollicis Action

A

Opposes thumb

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19
Q

Opponens Pollicis Innervation

A

Median Nerve (C8, T1), often a small branch of deep ulnar nerve

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20
Q

Opponens Pollicis Blood Supply

A

Superficial palmar branches of radial artery

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21
Q

Abductor Digiti Minimi Origin

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A

Pisiform and flexor carpi ulnaris tendon

22
Q

Abductor Digiti Minimi Insertion

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A

Base of proximal phalanx and dorsal aponeurosis of little finger

23
Q

Abductor Digiti Minimi Action

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A

Abducts little finger

24
Q

Abductor Digiti Minimi Innervation

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A

Ulnar nerve, deep branch (C8,T1)

25
Abductor Digiti Minimi Blood Supply
Deep palmar branches of ulnar artery
26
Flexor Digiti Minimi Origin
Hamulus of hamate and flexor retinaculum
27
Flexor Digiti Minimi Insertion
Base of proximal phalanx of little finger
28
Flexor Digiti Minimi Action
Flexes little finger at MCP
29
Flexor Digiti Minimi Innervation
Ulnar nerve, deep branch (C8,T1)
30
Flexor Digiti Minimi Blood Supply
Deep palmar branches of ulnar artery
31
Opponens Digiti Minimi Origin
Hamulus of hamate and flexor retinaculum
32
Opponens Digiti Minimi Insertion
Ulnar side of 5th metacarpal
33
Opponens Digiti Minimi Action
Opposes 5th digit
34
Opponens Digiti Minimi Innervation
Ulnar nerve, deep branch (C8,T1)
35
Opponens Digiti Minimi Blood Supply
Deep palmar branches of ulnar artery
36
Dorsal Interossei Origin
Each arises by two head from adjacent sides of metacarpals
37
Dorsal Interossei Insertion
Bases of proximal phalanges and dorsal expansions of 2-4th fingers
38
Dorsal Interossei Action
Abduct fingers; flex at metacarpophalangeal joints and extend at interphalangeal joints
39
Dorsal Interossei Innervation
Ulnar nerve, deep palmar branch (C8,T1)
40
Dorsal Interossei Blood Supply
Palmar metacarpal artery of deep palmar arch
41
Palmar Interossei Origin
Each arises by one head form the 2,4,5 metacarpals
42
Palmar Interossei Insertion
Dorsal digital expansions of 2,4,5th fingers
43
Palmar Interossei Action
Adduct fingers, flex at MCP and extend at IP joints
44
Palmar Interossei Innervation
Ulnar Nerve, deep palmar branch (C8, T1)
45
Palmar Interossei Blood Supply
Palmar metacarpal artery of deep palmar arch
46
Lumbrical Origin
Flexor digitorum profundus tendon on 2-5th digits
47
Lumbrical Insertion
Digital hood of 2-5
48
Lumbrical Action
Flex MCP and extend IP
49
Lumbrical Innervation
2nd/3rd: Median nerve (C8,T1) | 4th/5th: Ulnar nerve (C8,T1)
50
Lumbrical Blood Supply
Palmar metacarpal arteryof deep palmar arch

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